Home / 187,088.88-258,188.34-102,211.44

Finding the Fourth Proportional to 187,088.88, 258,188.34 and 102,211.44

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Solution

The fourth proportional to 187,088.88, 258,188.34 and 102,211.44 is: 141,054.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,088.88 : 258,188.34 = 102,211.44 : x
  2. Step 2: Convert to fraction form
    187,088.88/258,188.34 = 102,211.44/x
  3. Step 3: Cross multiply
    187,088.88x = 258,188.34 × 102,211.44
  4. Step 4: Simplify right side
    187,088.88x = 26,389,802,022.61
  5. Step 5: Solve for x
    x = 26,389,802,022.61/187,088.88
  6. Step 6: Final answer
    x = 141,054.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.